- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04707300
Study Evaluating the Safety and the Efficacy of Human T Lymphoid Progenitor (HTLP) Injection to Accelerate Immune Reconstitution After Umbilical Cord Blood (UCB) Transplantation in Adult Patients With Hematologic Malignancies (HTLP-ONCO) (HTLP-ONCO)
A Phase I/II Study Evaluating the Safety and the Efficacy of Human T Lymphoid Progenitor (HTLP) Injection to Accelerate Immune Reconstitution After Umbilical Cord Blood (UCB) Transplantation in Adult Patients With Hematologic Malignancies
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Allogeneic bone marrow transplantation (AlloSCT) is the treatment of choice for high- risk acute myeloid leukemias in complete first remission after induction therapy and other high-risk hematological malignancies. Umbilical cord blood grafts are frequently used for patients lacking an HLA- matched family donor (Matched-sibling donor, MSD) as well as in the absence of an appropriate unrelated donor (10/10 MUD). As any HSCT, UCB transplantations are associated with the risk of acute and chronic GVHD, post- transplant immunodeficiency with increased risk of infections as well as relapse. Especially the risk of infection and therefore non- relapse mortality (NRM) or transplant- related mortality (TRM) is significantly higher in UCB transplantations as compared to MSD or 10/10 MUD transplantations. All of these risks have been linked to a significant delay in immune reconstitution including various immune cell populations like CD4 and CD8 T cells, Treg, NK, iNKT, pDC and others.
The investigators therefore make the hypothesis that if T-cell-mediated immunity was rapidly generated after a partially HLA-compatible UCB transplantation will reduce the risk of infection and to prevent relapse without increasing the risk of GVHD.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Olivier HERMINE, PhD & MD
- Phone Number: +33 144495282
- Email: olivier.hermine@aphp.fr
Study Locations
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-
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Pessac, France, 33604
- Recruiting
- Service d'Hématologie et thérapie cellulaire / CHU of Bordeaux
-
Contact:
- Edouard FORCADE, PhD & MD
- Email: edouard.forcade@chu-bordeaux.fr
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Toulouse, France
- Recruiting
- IUCT Oncopole Toulouse
-
Contact:
- Anne HUYNH, PhD, MD
- Phone Number: 05 31 15 71 91
- Email: huynh.anne@iuct-oncopole.fr
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Villejuif, France
- Not yet recruiting
- Institut Gustave Roussy
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Contact:
- Jean-Henri BOURHIS, PhD MD
- Phone Number: 01 42 11 53 82
- Email: jean-henri.bourhuis@gustaveroussy.fr
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Île-de-France
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Paris, Île-de-France, France, 75015
- Recruiting
- Hematology department / Necker Children's Hospital
-
Contact:
- Olivier HERMINE, PhD & MD
- Phone Number: +33 144495282
- Email: olivier.hermine@aphp.fr
-
Contact:
- Felipe SUAREZ, PhD & MD
- Email: felipe.suarez@aphp.fr
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Adult patients (≥ 18 years old and <66 years old) at the time of inclusion and eligible for an allogeneic stem cells transplantation and fit to receive the specified conditioning regimen
- Patients with hematologic malignancies
- Absence of a matched - related sibling donor (MSD) or a matched unrelated donor (MUD) 10/10
- SORROR score compatible with the pre specified conditioning and to discuss with the Principal Investigator
- Presence of two UCB units with the following criteria*: HLA- matched 4/8, 5/8, 6/8, 7/8 or 8/8 for HLA- A, -B, -C and DRB1 loci AND
- Presence of at least one UCB unit with the following criteria*: ≥ 3 x 10e7 TNC/kg or ≥ 1.5 10e5 CD34+/kg pre- freezing * For the UCB taken into HTLP culture, the CD34+ content does not need to meet the above cellularity criteria, as expansion during HTLP culture has been proven to ensure the appropriate number of CD7+ needed for each dose.
The non- cultured UCB will be chosen to have a higher CD34+ cell content in order to enable long- term hematopoietic engraftment
- No treatment with another investigational drug within one month before inclusion
- Patient affiliated to social security
- Written, informed consent of the patient
- Absence of Donor Specific Antibodies (DSA) with a MFI > 5000
Exclusion Criteria:
Any of the standard contraindications to allogeneic transplant
- Left ventricular ejection fraction <50%
- Abnormal biochemistry results (ALT/AST>10xULN, total bilirubin>2.5xULN, creatinin clearance <60ml/min)
- Inability to understand and provide informed consent
- Concomitant infectious disease: HTLV-I, HIV-I or HIV-II
- Pregnancy or breastfeeding for women of childbearing potential
- Patients with progressive hematologic malignancies
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Human T Lymphoid Progenitor (HTLP) injection
HTLP cellular product obtained after 7 days of culture of immune-selected CB
|
The HTLP cell suspension will be injected intravenously at the time of UCB HSCT on D0
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cumulative incidence of grade III-IV graft-versus-host disease (GvHD)
Time Frame: 100 Days following HSCT
|
according to Glucksberg grading system, to define toxicity
|
100 Days following HSCT
|
CD4 + T cells analysis
Time Frame: 100 days following HSCT
|
Efficacy defined by the presence of >50/μl CD4+ CD3+ TCRαβ+ T cells at 2 consecutive measures < within 4 months post HSCT.
|
100 days following HSCT
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time course of T cell immune reconstitution
Time Frame: Month 1, 2, 3, 4, 5, 6 and 12 post-transplantation
|
time needed to exceed a count of 100 naive CD4+ and >100 total CD8+ cells per μL
|
Month 1, 2, 3, 4, 5, 6 and 12 post-transplantation
|
Time to hematologic engraftment
Time Frame: Up to 24 months post-transplantation
|
Time to ANC > 0.5G/L with platelets > 20G/L
|
Up to 24 months post-transplantation
|
Numbers of neutrophils, platelets and red blood cell transfusions
Time Frame: Month 1,2, 3, 6 and 12 post -transplantation
|
Month 1,2, 3, 6 and 12 post -transplantation
|
|
time course of reconstitution of the different T-cell subpopulations
Time Frame: Month 1,2, 3, 6 and 12 post -transplantation
|
by immunophenotyping (flow cytometry analysis)
|
Month 1,2, 3, 6 and 12 post -transplantation
|
Presence of Recent thymic emigrants (RTEs)
Time Frame: Month 1,2, 3, 6 and 12 post -transplantation
|
by immunophenotyping (flow cytometry analysis)
|
Month 1,2, 3, 6 and 12 post -transplantation
|
Tregs numbers
Time Frame: Month 1,2, 3, 6 and 12 post -transplantation
|
by immunophenotyping (flow cytometry analysis)
|
Month 1,2, 3, 6 and 12 post -transplantation
|
B-cell reconstitution
Time Frame: Month 6 and 12 post -transplantation
|
number and phenotype for naïve IgD+CD27-, marginal zone IgD+CD27+, switched memory IgD-CD27+, and IgD-CD27- cells
|
Month 6 and 12 post -transplantation
|
Immunoglobulin levels
Time Frame: Month 6 and 12 post -transplantation
|
focus on time needed for cessation of intravenously IgG replacement therapy
|
Month 6 and 12 post -transplantation
|
Reconstitution of the NK cell
Time Frame: Month 6 and 12 post -transplantation
|
compartment (CD3-CD56dimCD16bright)
|
Month 6 and 12 post -transplantation
|
Assessment of engraftment of each UCB unit over time by hematological monitoring and chimerism analysis on neutrophils, T, B, NK, pDC and macrophages at 1, 2, 3, 6 and 12 months following HSCT
Time Frame: at 1, 2, 3, 6 and 12 months following HSCT.
|
To assess engraftment of each UCB unit over time by hematological monitoring and chimerism analysis on neutrophils, T, B, NK, pDC and macrophages at 1, 2, 3, 6 and 12 months following HSCT.
|
at 1, 2, 3, 6 and 12 months following HSCT.
|
the graft failure/rejection rate
Time Frame: 3 months following HSCT
|
detected by hematological monitoring of each UCB unit
|
3 months following HSCT
|
Cumulative incidence of infections
Time Frame: 3, 6 and 12 months post- transplantation
|
3, 6 and 12 months post- transplantation
|
|
Cumulative incidence of acute and chronic episodes of GVHD and their grade
Time Frame: 3, 6, 12 and 24 months post-transplantation
|
according to Glucksgberg GvHD staging
|
3, 6, 12 and 24 months post-transplantation
|
relapse rate
Time Frame: 2 years post -transplantation
|
2 years post -transplantation
|
|
overall survival
Time Frame: 2 years post -transplantation
|
2 years post -transplantation
|
|
Disease-free survival
Time Frame: 2 years post -transplantation
|
2 years post -transplantation
|
|
Progression-free survival
Time Frame: 2 years post -transplantation
|
2 years post -transplantation
|
Collaborators and Investigators
Investigators
- Principal Investigator: Olivier HERMINE, PhD & MD, Assistance Publique - Hôpitaux de Paris
- Study Director: Elisa MAGRIN, MD, Département de Biothérapie : Hôpital Necker Enfants malades
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- APHP191116
- 2019-004883-23 (EudraCT Number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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